US Bridges

US 54 E over North Fork Linn CR

Good

Camden County, Missouri · S 17 T 38 N R 16 W · Structure no. 11731

Built
1964
61 years old, rebuilt 1998
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
3 main spans
Daily traffic
17,778
2024 count
Owner
State
State Highway Agency

About this bridge

US 54 E over North Fork Linn CR is a steel continuous stringer/multi-beam or girder carrying US 54 E over North Fork Linn CR in Camden County, Missouri. It was built in 1964 and reconstructed in 1998, so it is 61 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,778 vehicles a day, roughly 13% of them trucks, projected to reach 31,112 by 2044. The structure is 159 ft (48.5 m) long and 31 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesUS 54 E
CrossesNorth Fork Linn CR
LocationS 17 T 38 N R 16 W
RouteU.S. Route 54
Coordinates38.03798, -92.70682
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,778 (2024)
Projected traffic31,112 by 2044
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 54 E over North Fork Linn CR built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1998.

What condition is US 54 E over North Fork Linn CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does US 54 E over North Fork Linn CR carry?

About 17,778 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is US 54 E over North Fork Linn CR?

The structure is 159 ft (48.5 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns US 54 E over North Fork Linn CR?

It is owned by the State Highway Agency.